Decision Workspace
engram-hnsw vs mnem-ann vs vicinity
Side-by-side comparison of Rust crates
46
engram-hnsw
experimentalv0.3.0
HNSW approximate nearest neighbor search
56
mnem-ann
experimentalv0.1.7
Approximate-nearest-neighbour (HNSW) vector index for mnem. Feature-gated alternative to the built-in brute-force index in mnem-core.
52
vicinity
experimentalv0.8.1
Approximate nearest-neighbor search
Core Metrics
| engram-hnsw | mnem-ann | vicinity | |
|---|---|---|---|
| Health Score | 46 | 56 | 52 |
| Total Downloads | 37 | 155 | 720 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 2 | 10 | 14 |
| Releases | 2 | 6 | 22 |
| Last Updated | 11d ago | 4d ago | 25d ago |
| Age | 13d | 28d | 2m |
Health Breakdown
engram-hnsw
Maintenance
13
Quality
14
Community
7
Popularity
2
Documentation
10
mnem-ann
Maintenance
14
Quality
15
Community
9
Popularity
3
Documentation
15
vicinity
Maintenance
12
Quality
13
Community
9
Popularity
3
Documentation
15
Technical Details
| engram-hnsw | mnem-ann | vicinity | |
|---|---|---|---|
| Version | 0.3.0 | 0.1.7 | 0.8.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 2 | 6 | 23 |
| Crate Size | 17KB | 32KB | 508KB |
| Features | 0 | 2 | 42 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | — | 1.95 | 1.89 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •mnem-ann leads with a health score of 56/100, but none of the options score above 80.
- •vicinity has the most downloads (720), suggesting wider adoption.